Approximate Load Models for Conic OPF Solvers

The global optimum of the optimal power flow (OPF) problem can be sought in various practical settings by adopting the conic relaxations, such as the second order cone programs (SOCPs) and semi-definite programs (SDPs). However, the ZIP (constant impedance, constant current, constant power) and expo...

Full description

Saved in:
Bibliographic Details
Main Authors: Nazir, Firdous UI, Pal, Bikash, Jabr, Rabih
Format: Conference Proceeding
Language:English
Subjects:
Impedance
Load flow
Load modeling
Online Access:Request full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The global optimum of the optimal power flow (OPF) problem can be sought in various practical settings by adopting the conic relaxations, such as the second order cone programs (SOCPs) and semi-definite programs (SDPs). However, the ZIP (constant impedance, constant current, constant power) and exponential load models are not directly amenable with these conic solvers. Thus, these are mostly treated as constant power loads in the literature. In this letter, we propose two simple methods to approximate these static loads with good accuracy. The proposed methods perform much better than the traditional constant power approximation.
ISSN:1944-9933
DOI:10.1109/PESGM46819.2021.9637927